DAH Solar’s Full-Screen Technology Demonstrates 11% Energy Gain for Solar PV Modules As frameless PV modules are gradually becoming a mainstream trend in the industry, PV magazine had an interview with DAH Solar’s R&D Director, Dr. Jiang Chengyin, about the company’s design for its 3.0 Full-Screen product version further improves energy yield while lowering costs and reducing the likelihood of fractures. What is the “Full-Screen” technology for solar modules? Dr. Jiang Chengyin: Regular solar modules have frames that protrude above the glass surface, causing dust to accumulate since rainwater can't flow off quickly. Through our patented design, we ensure the frame is flush with the surface, allowing rainwater to smoothly run off and carry away dust, achieving a self-cleaning effect. Based on outdoor performance tests, at an installation angle of around 5 degrees, which simulates the typical installation angle on most domestic color steel tile roofs, our Full-Screen modules can achieve an annual energy gain of approximately 11%. With the elimination of traditional aluminum frame wrapping, can the Full-Screen's flat edge design meet structural rigidity requirements? How does it withstand long-term outdoor sealing performance? Dr. Jiang Chengyin: Originally, double-glass modules had no frames. With encapsulation of double-sided strengthened glass fully meeting the module's strength requirements. Adding frame designs primarily protected glass edges from damage. Since the distance from the internal cell's conductive part to the module edge is generally over 15 mm, the waterproof sealing insulation width at the edge is also 15 mm, ensuring long-term outdoor sealing. DAH Solar's design eliminates the front frame but retains side and back frames, bonded with high-strength silicone rubber, maintaining glass edge protection. Silicone rubber offers proven durability and weather resistance. What improvements does DAH Solar's Full-Screen product at this SNEC exhibit offer compared to previous models? Dr. Jiang Chengyin: Our Full-Screen product has advanced to version 3.0, which is a significant improvement over versions 1.0 and 2.0. First, we have adopted the Full-Screen plus “Dense Busbar” (DBB), which is a design similar to 0BB. DBB technology has several advantages, notably significantly reducing silver consumption during cell production, lowering product costs. Additionally, in module production, we've abandoned high-temperature welding processes, using low-temperature film to bond ribbons to cell surfaces. This low-temperature encapsulation process enhances module power, reduces virtual welding and the likelihood of fractures, improves yield, and extends product life by avoiding flux residues that corrode grid lines. Overall, version 3.0 products show significant improvements in reliability and power generation compared to past versions. Furthermore, we now use industry-leading rectangular silicon wafers based on 182 mm as the substrate for TOPCon ce...
2023-06-15
DAH Solar's latest differentiated pv products make a stunning entrance at Intersolar Europe 2023
The Intersolar Europe 2023 was held on 14th-16th June, in Munich, Germany. It was the grand meeting for PV companies to communicate directly with the European market and exchange leading experiences with other PV companies. For many companies, this year is very special because after the pandemic more and more companies need this chance to have straight contact with local markets. That’s why the exhibition was filled with people.
DAH Solar is the growing innovative technology leading PV corporation, well known in the global market for its globally patented Full-Screen PV Modules and the world's first integrated PV system, SolarUnit. This time, DAH Solar launched its new all-scene series products at Intersolar Europe 2023, showing its innovation strength to the world.
SolarUnit Leading Balcony PV
On the 14th DAH Solar hosted a Roadshow at their booth. Roger, the Direct of Sales at DAH Solar, comprehensively illustrated the world’s first integrated PV system, SolarUnit, and why this particular product will take the lead in Balcony PV Systems in all aspects. According to Roger, SolarUnit is the only integrated designed PV system and it significantly reduced the installation process and the mounting expenditure. As we all know that the balcony PV market looking for cost reduction and easy application features. As the exploding need for residential PV system needs, especially the 800W balcony PV in Germany and Austria. DAH Solar’s SolarUnit creatively builds the PLC into the microinverter so there is no need for any other devices to realize the application control. Roger said: “All plug-in connections plus the remote control, the SolarUnit will take the lead in balcony PV. Since DAH Solar always takes customers’ needs into consideration. The market’s requirements are the motivation for company innovation.”
To better showcase the easy installation for SolarUnit balcony mounting, DAH Solar set up a balcony PV simulation display station. It showcased the mounting scenario and the cable wiring demonstration. This station has attracted a large number of visitors.
Intersolar Award – Finalist
This year DAH Solar has conquered a milestone which being nominated as the Finalist for the Intersolar Award. After 2 years of field tests and application, DAH Solar confidently present the global patent Full-Screen PV Module to the award jury. The result is DAH Solar voted as the Finalist for this Award. Alex, Vice General Manager in DAH Solar International Trading Center said, it means the European market well accepts for its innovation and the PV experts recognized for its technological invention. To have this nomination truly indicates that DAH Solar’s global patent product could bring global solar energy users high value and more benefits. The Full-Screen PV Module is accepted by global markets. Expect the recognition that DAH Solar obtained, this nomination is also an encouragement for us to stay on innovation and keep bringing creation in the PV industry. DAH Solar will insist on its cultivation philosophy by sustaining the technology invention. To achieve the global carbon-zero goal, all PV corporations need more effective and efficient renewable energy products, which requires energy companies to pursue the development of technology. DAH Solar as one of them will take the lead in this path.
Since DAH Solar stepped into the PV industry in 2009, it believes that innovation and creation are the keys to corporate cultivation. DAH Solar has the ultimate goal to accelerate renewable energy development. Making efficient solar energy more convenient for global users is the fundamental consensus in DAH Solar.
As a global technology leading PV corporation, in the face of fierce competition, DAH Solar always sticks to the differentiation strategy route, constantly drives the development by technological innovation. DAH Solar breaks a path to increase the product differentiation by technology invention to enhance the competitive advantage, and improves its integrated industrial layout. DAH Solar will continue to contribute the cost decreasing and benefits increasing to create value for global solar energy users
Global Technology Leading PV Enterprise DAH Solar Co., Ltd. focuses on the R&D, manufacturing, and sales of high-efficiency power generation PV modules, integrated PV systems, and solar energy storage systems. DAH Solar committees to provide better solar solutions innovatively. With more and more needs for clean energy, DAH Solar continues to bring a more efficient, convenient, and reliable series of PV products to global users. Technological innovation and patented products With our leading technological innovation and excellent product quality, we enable global users more conveniently and stably to obtain efficient clean solar energy. We have 200 patented technologies used in our PV products. Our global patented product Full-Screen PV module achieves front A-side frameless design, which increases power generation by 6%-15% (field test result published by TUV Nord) compared to the regular PV modules. The world's first integrated PV system, SolarUnit, could maximize the installation area of the rooftop. SolarUnit made the integrated design of modules and inverters come true. SolarUnit provides users with a more efficient, convenient, safer, and beautiful residential PV system. SolarUnit promotes PV products in the era of home PV appliances. World Recognized PV Supplier DAH Solar's products have been sold in more than 100 countries and regions around the world. In Latin America, we have become the TOP 3 well-known PV companies in Brazil. In Europe, the demand for our innovative products, Full-Screen PV Modules, is exceeding supplies. Besides, to provide better service to global customers, we have established our warehouses in many countries and regions, like the EU stock in Rotterdam in the Netherlands. In addition, we have established very convenient purchase channels for global consumers. Customers can purchase DAH Solar’s products through distributors or official websites and E-commercial platforms. Social Responsibilities DAH Solar’s Solar Cells, Modules, and Inverters R&D and Production Factories Bases not only attract a large number of local high-end technical talents but also creates more than 2,000 job positions for local residents. Every year, we hold many social activities, such as donations to charities, responses to the Covid-19 pandemic, contributing to community growth, etc. to advocate for social development. Our ultimate goal is to embrace the era of clean energy to protect the environment and the behalf of mankind. Employee Development DAH Solar is committed to creating a better career development platform for our employees. We seek equity for all genders and ages in the workplace. DAH Solar offers our employees a free team-building trip, annually. We believe that refreshing is another path to creation. DAH Solar is also concerned about the health condition of our employees. That's why we provide our employees with free health checks and a full package of healthcare. At DAH Solar, we treat our employees not only as team assets but as our own families.
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